Road traffic in the United Kingdom is expected to double by the year 2025. Growth of this order is not sustainable, whether in terms of atmospheric pollution or of available road space. In this timely book, leading experts in the fields of transport, land use and the environment analyze the problem and discuss possible solutions to it. Can cars and trucks be made `cleaner'? How can private motorists be weaned from their love affair with the car? Should we build more motorways? Or should road space actually be reduced? How serious is the pollution caused by shipping and aircraft? These are some of the questions addressed, concisely and with authority, in this challenging book.